Could the seismic signal of an underground nuclear test explosion be 'hidden' by the signal generated by a natural earthquake? Could the seismic signal of an underground nuclear test explosion be ...

Sediment cores collected from four lakes in Guatemala have captured evidence of the direction in which seismic waves traveled during the powerful magnitude 7.5 earthquake that struck the country in ...

“These are equipment which send seismic waves underground to detect if there are gaps or holes inside the earth. A software interprets the signals. Then security forces dig the place to see if there ...